For Date/Time and numeric values, you can also append a string defined by the .NET framework, for example: [DateTime:Now|] current Date/Time formatted according to , e.g. [DateTime:Now|f] displays current date in short format (does not apply to Calculated Column expressions) or [DateTime:Now|dd.MM.yyyy] in German date format. Text items may be formatted using {0}, e.g. [User:Displayname|Hello {0}]. You can also add alternative text that gets returned if the requested value is Null or empty: [Token:Property|Format|Alternative] e.g. [User:Displayname|Welcome Back,{0}|Hello Guest].